Ключевые слова: air flow, bad, buildup, calculus, care, caries, caucasian, cavity, child, cleaning, clinic, closeup, dental, dentist, dentistry, dirty, enamel, face, health, healthcare, healthy, hygiene, hygienic, hygienic cleaning, kids teeth, lips, macro, medical, mouth, open, patient, person, plaque, removal, remove, showing, smile, stomatology, tartar, teeth, tooth, treatment, ultrasonic, ultrasound, visit, white, yellow,